source: trunk/IPs/systemC/Environnement/Cache/src/Cache_OneLevel_transition.cpp @ 78

#include "../include/Cache_OneLevel.h"

namespace environnement {
namespace cache {
namespace cache_onelevel {

  void Cache_OneLevel::transition (void)
  {
    // scan all port - test if have a transaction
    for (int32_t x = param->nb_port-1; x >= 0; x --)
      {
        if (access_port[x].valid == true)
          {
            access_port[x].valid = false;
            
            // Update LRU
            //  * hit  : now
            //  * miss : after the return of next cache
            
            if (access_port[x].hit == HIT_CACHE)
              {// Hit
                update_lru(access_port[x].address.familly,access_port[x].num_associativity);
              }
            
            if (access_port[x].hit == MISS)
              {// Miss
                // Write in write_buffer
                write_buffer->push(access_port[x].latence,Write_Buffer(access_port[x].address,access_port[x].trdid));
              }
          }
      }
    
    write_buffer->transition();

    // Test if a write_buffer have the result
    while ((write_buffer->empty() == false) && (write_buffer->read(0)._delay == 0))
      {
        // Save in the cache
        Write_Buffer val     = write_buffer->pop();
        
        uint32_t num_tag     = val.address.tag;
        uint32_t num_familly = val.address.familly;
        uint32_t num_associativity = index_victim(num_familly);
        
        tag [num_familly][num_associativity].valid    = true;
        tag [num_familly][num_associativity].address  = num_tag;
        tag [num_familly][num_associativity].trdid    = val.trdid;
        
        update_lru(num_familly,num_associativity);
      }
    
  }
};
};
};